Electronic balance



FIG. 1 is a perspective view of the top, front and left side of an electronic balance showing my new design;

FIG. 2 is another perspective view of the bottom, back and right side thereof;

FIG. 3 is a perspective view similar to FIG. 1 with a cover opened;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a back elevation view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof.

The broken lines in the drawing depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for an electronic balance, as shown and described. 